	.flex{
		display: flex;
	}
	.flex-center {
		display: flex;
		align-items: center;
	}

	.flex-justify-center {
		display: flex;
		align-items: center;
		justify-content: center;
	}

	.flex-justify-around {
		display: flex;
		align-items: center;
		justify-content: space-around;
	}
	.flex-justify-between {
		display: flex;
		align-items: center;
		justify-content: space-between;
	}

	.mar-l-8 {
		margin-left: 8rpx;
	}

	.mar-l-12 {
		margin-left: 12rpx;
	}

	.mar-l-16 {
		margin-left: 16rpx;
	}
	.mar-r-8{
		margin-right: 8rpx;
	}
	.mar-t-8 {
		margin-top: 8rpx;
	}
	.empty {
		height: 20rpx;
		background-color: #f2f2f2;
	}
